24/7 Linux Administration Support for European Research Organization
Client Industry: Academic Publications
Tech Stack
- Monitoring: Zabbix, Grafana
- Security: OpenVAS, Fail2Ban, CIS-CAT
- Backup: BorgBackup, AWS S3
- Configuration: Ansible, Terraform
- OS: Ubuntu LTS, Debian Stable
Project Team
- Lead Linux Engineer: [Name], RHCE, 10+ years experience
- Security Specialist: [Name], CISSP, OSCP
- Database Administrator: [Name], PostgreSQL Certified
Engagement Model: 12-month renewable contract
Service Level Agreement: 99.9% uptime guarantee
Our Challenge
Linux infrastructure building & maintenance
provide comprehensive Linux administration support for their research publishing platform. Our team implemented proactive monitoring, security hardening, and performance optimization, achieving 99.99% uptime for critical systems while reducing security vulnerabilities by 95%.
- Unplanned Downtime: Frequent service interruptions affecting global researchers
- Security Concerns: Outdated systems with unpatched vulnerabilities
- Performance Issues: Slow response times during peak submission periods
- Lack of Documentation: Ad-hoc administration with no standardized procedures
Proposed Solution
As an IT consulting and support provider, we implemented a phased approach:
Core Support Services
- Proactive System Monitoring
- Implemented Zabbix monitoring with custom alerts
- Created dashboards for CPU, memory, disk, and service health
- Established 24/7 on-call rotation for critical issues
- Performance Optimization
- Kernel parameter tuning for database workloads
- Implemented automated log rotation and cleanup
- Configured load balancing for web servers
- Backup & Disaster Recovery
- Implemented BorgBackup with AES-256 encryption
- Tested monthly recovery drills
- AWS S3 replication for critical data
Implementation Approach
Phase 1: Assessment & Stabilization (Weeks 1-4)
- Conducted full infrastructure audit
- Patched all critical vulnerabilities
- Implemented basic monitoring
Phase 2: Optimization (Months 2-3)
- Database performance tuning
- Filesystem optimization (XFS for large PDF storage)
- CI/CD pipeline for configuration management
Phase 3: Ongoing Management
- Weekly maintenance windows
- Quarterly security reviews
- Annual disaster recovery tests
Measurable Results
Metric | Before | After |
System Uptime | 99.2% | 99.99% |
Security Vulnerabilities | 42 critical | 6 critical |
Backup Completeness | 70% | 100% verified |
Patch Latency | 45 days avg | <72 hours |
Business Impact Result
Results & Benefits
- Reduced average incident resolution time from 4 hours to 35 minutes
- Eliminated 90% of after-hours emergency calls
- Cut monthly maintenance time by 60%
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